ValueError                                Traceback (most recent call last)

/home/jule/dev/sage/<ipython console> in <module>()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/padics/padic_generic.pyc in extension(self, modulus, prec, names, print_mode, halt, **kwds)
    463                     else:
    464                         print_mode[option] = self._printer.dict()[option]
--> 465         return ExtensionFactory(base=self, premodulus=modulus, prec=prec, halt=halt, names=names, check = True, **print_mode)
    466
    467 def local_print_mode(obj, print_options, pos = None, ram_name = None):

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/factory.so in sage.structure.factory.UniqueFactory.__call__ (sage/structure/factory.c:886)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/padics/factory.pyc in create_key_and_extra_args(self, base, premodulus, prec, print_mode, halt, names, var_name, res_name, unram_name, ram_name, print_pos, print_sep, print_alphabet, print_max_ram_terms, print_max_unram_terms, print_max_terse_terms, check, unram)
   2136                 if premodulus.parent().ngens() != 1:
   2137                     raise ValueError, "must use univariate polynomial"
-> 2138                 modulus = premodulus.change_ring(base)
   2139             else:
   2140                 raise ValueError, "modulus must be a polynomial"

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/polynomial/polynomial_element.so in sage.rings.polynomial.polynomial_element.Polynomial.change_ring (sage/rings/polynomial/polynomial_element.c:16626)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__ (sage/structure/parent.c:7102)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/coerce_maps.so in sage.structure.coerce_maps.DefaultConvertMap_unique._call_ (sage/structure/coerce_maps.c:3254)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/coerce_maps.so in sage.structure.coerce_maps.DefaultConvertMap_unique._call_ (sage/structure/coerce_maps.c:3157)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/polynomial/polynomial_ring.pyc in _element_constructor_(self, x, check, is_gen, construct, **kwds)
    408             if x.type() != 't_POL':
    409                 x = x.Polrev()
--> 410         return C(self, x, check, is_gen, construct=construct, **kwds)
    411
    412     def is_integral_domain(self, proof = True):

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/polynomial/padics/polynomial_padic_capped_relative_dense.pyc in __init__(self, parent, x, check, is_gen, construct, absprec, relprec)
     86                 return
     87             else:
---> 88                 x = [parentbr(a) for a in x.list()]
     89                 check = False
     90         elif isinstance(x, dict):

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__ (sage/structure/parent.c:7102)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/coerce_maps.so in sage.structure.coerce_maps.DefaultConvertMap._call_ (sage/structure/coerce_maps.c:2443)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/structure/coerce_maps.so in sage.structure.coerce_maps.DefaultConvertMap._call_ (sage/structure/coerce_maps.c:2346)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/padics/padic_capped_relative_element.so in sage.rings.padics.padic_capped_relative_element.pAdicCappedRelativeElement.__init__ (sage/rings/padics/padic_capped_relative_element.c:5615)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/rational.so in sage.rings.rational.Rational.__init__ (sage/rings/rational.c:6020)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/rational.so in sage.rings.rational.Rational.__set_value (sage/rings/rational.c:6826)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/padics/padic_ZZ_pX_element.so in sage.rings.padics.padic_ZZ_pX_element.pAdicZZpXElement._rational_ (sage/rings/padics/padic_ZZ_pX_element.cpp:5301)()

/home/jule/dev/sage/local/lib/python2.6/site-packages/sage/rings/padics/padic_ZZ_pX_CR_element.so in sage.rings.padics.padic_ZZ_pX_CR_element.pAdicZZpXCRElement._integer_ (sage/rings/padics/padic_ZZ_pX_CR_element.cpp:14675)()

ValueError: This element not well approximated by an integer.